Improve implementation of call recording tone (481641d2) · Commits · e / os / android_packages_services_Telecomm

Android.bp

+5 −2

Original line number	Diff line number	Diff line
		@@ -41,7 +41,7 @@ android_test {
		static_libs: [
		"android-ex-camera2",
		"guava",
		"mockito-target-inline",
		"mockito-target-extended",
		"androidx.test.rules",
		"platform-test-annotations",
		"androidx.legacy_legacy-support-core-ui",
		@@ -70,7 +70,10 @@ android_test {
		"android.test.runner",
		],

		jni_libs: ["libdexmakerjvmtiagent"],
		jni_libs: [
		"libdexmakerjvmtiagent",
		"libstaticjvmtiagent",
		],

		aaptflags: [
		"--auto-add-overlay",

res/raw/record.ogg

−99.3 KiB (5.14 KiB)

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src/com/android/server/telecom/Call.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -2569,7 +2569,8 @@ public class Call implements CreateConnectionResponse, EventManager.Loggable,
		}
		}

		boolean isActive() {
		@VisibleForTesting
		public boolean isActive() {
		return mState == CallState.ACTIVE;
		}

src/com/android/server/telecom/CallRecordingTonePlayer.java

+65 −23

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ import android.media.AudioRecordingConfiguration;
		import android.media.MediaPlayer;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.Message;
		import android.provider.MediaStore;
		import android.telecom.Log;

		@@ -61,19 +62,71 @@ public class CallRecordingTonePlayer extends CallsManagerListenerBase {
		}
		};

		private class LoopingTonePlayer extends Handler {
		private Runnable mPlayToneRunnable = new Runnable() {
		@Override
		public void run() {
		if (mRecordingTonePlayer != null) {
		mRecordingTonePlayer.start();
		postDelayed(this, mRepeatInterval);
		}
		}
		};
		private MediaPlayer mRecordingTonePlayer = null;

		LoopingTonePlayer() {
		// We're using the main looper here to avoid creating more threads and risking a thread
		// leak. The actual playing of the tone doesn't take up much time on the calling
		// thread, so it's okay to use the main thread for this.
		super(Looper.getMainLooper());
		}

		private boolean start() {
		if (mRecordingTonePlayer != null) {
		Log.w(CallRecordingTonePlayer.this, "Can't start looping tone player more than"
		+ " once");
		return false;
		}
		AudioDeviceInfo telephonyDevice = getTelephonyDevice(mAudioManager);
		if (telephonyDevice != null) {
		mRecordingTonePlayer = MediaPlayer.create(mContext, R.raw.record);
		mRecordingTonePlayer.setPreferredDevice(telephonyDevice);
		mRecordingTonePlayer.setVolume(0.1f);
		AudioAttributes audioAttributes = new AudioAttributes.Builder()
		.setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION).build();
		mRecordingTonePlayer.setAudioAttributes(audioAttributes);

		post(mPlayToneRunnable);
		return true;
		} else {
		Log.w(this ,"startCallRecordingTone: can't find telephony audio device.");
		return false;
		}
		}

		private void stop() {
		mRecordingTonePlayer.release();
		mRecordingTonePlayer = null;
		}
		}

		private final AudioManager mAudioManager;
		private final Context mContext;
		private final TelecomSystem.SyncRoot mLock;
		private final Handler mMainThreadHandler = new Handler(Looper.getMainLooper());
		private final long mRepeatInterval;
		private boolean mIsRecording = false;
		private MediaPlayer mRecordingTonePlayer = null;
		private LoopingTonePlayer mLoopingTonePlayer;
		private List<Call> mCalls = new ArrayList<>();

		public CallRecordingTonePlayer(Context context, AudioManager audioManager,
		Timeouts.Adapter timeouts,
		TelecomSystem.SyncRoot lock) {
		mContext = context;
		mAudioManager = audioManager;
		mLock = lock;
		mRepeatInterval = timeouts.getCallRecordingToneRepeatIntervalMillis(
		context.getContentResolver());
		}

		@Override
		@@ -163,7 +216,7 @@ public class CallRecordingTonePlayer extends CallsManagerListenerBase {
		*/
		private void maybeStartCallAudioTone() {
		if (mIsRecording && hasActiveCall()) {
		startCallRecordingTone(mContext);
		startCallRecordingTone();
		}
		}

		@@ -231,26 +284,15 @@ public class CallRecordingTonePlayer extends CallsManagerListenerBase {
		* Begins playing the call recording tone to the remote end of the call.
		* The call recording tone is played via the telephony audio output device; this means that it
		* will only be audible to the remote end of the call, not the local side.
		*
		* @param context required for obtaining media player.
		*/
		private void startCallRecordingTone(Context context) {
		if (mRecordingTonePlayer != null) {
		private void startCallRecordingTone() {
		if (mLoopingTonePlayer != null) {
		Log.w(this, "Tone is already playing");
		return;
		}
		AudioDeviceInfo telephonyDevice = getTelephonyDevice(mAudioManager);
		if (telephonyDevice != null) {
		Log.i(this ,"startCallRecordingTone: playing call recording tone to remote end.");
		mRecordingTonePlayer = MediaPlayer.create(context, R.raw.record);
		mRecordingTonePlayer.setLooping(true);
		mRecordingTonePlayer.setPreferredDevice(telephonyDevice);
		mRecordingTonePlayer.setVolume(0.1f);
		AudioAttributes audioAttributes = new AudioAttributes.Builder()
		.setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION).build();
		mRecordingTonePlayer.setAudioAttributes(audioAttributes);
		mRecordingTonePlayer.start();
		} else {
		Log.w(this ,"startCallRecordingTone: can't find telephony audio device.");
		mLoopingTonePlayer = new LoopingTonePlayer();
		if (!mLoopingTonePlayer.start()) {
		mLoopingTonePlayer = null;
		}
		}

		@@ -258,10 +300,10 @@ public class CallRecordingTonePlayer extends CallsManagerListenerBase {
		* Attempts to stop the call recording tone if it is playing.
		*/
		private void stopCallRecordingTone() {
		if (mRecordingTonePlayer != null) {
		if (mLoopingTonePlayer != null) {
		Log.i(this, "stopCallRecordingTone: stopping call recording tone.");
		mRecordingTonePlayer.stop();
		mRecordingTonePlayer = null;
		mLoopingTonePlayer.stop();
		mLoopingTonePlayer = null;
		}
		}

src/com/android/server/telecom/CallsManager.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -543,7 +543,8 @@ public class CallsManager extends Call.ListenerBase
		mRinger = new Ringer(playerFactory, context, systemSettingsUtil, asyncRingtonePlayer,
		ringtoneFactory, systemVibrator,
		new Ringer.VibrationEffectProxy(), mInCallController);
		mCallRecordingTonePlayer = new CallRecordingTonePlayer(mContext, audioManager, mLock);
		mCallRecordingTonePlayer = new CallRecordingTonePlayer(mContext, audioManager,
		mTimeoutsAdapter, mLock);
		mCallAudioManager = new CallAudioManager(callAudioRouteStateMachine,
		this, callAudioModeStateMachineFactory.create(systemStateHelper,
		(AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE)),